Calendar (publication)

Praenestini'', an early Roman calendar, listing the Vinalia and Robigalia festivals Ancient documents and inscriptions, such as those from Rome and China, include early forms of calendars. Printing gave rise to many related types of publication which track dates, of which calendars are just one. The modern calendar evolved alongside others such as almanacs, which collected religious, cultural, meteorological, astronomical and astrological information in a table format; practica, which gave astrological predictions for the year ahead; and diaries, which were for personal and professional use. The introduction of broadside printing allowed a calendar to be printed on a single large sheet of paper, differentiating the basic calendar from more detailed diaries and practica. ==Decorative calendars==

and includes photographs from the ISS|link=File:2008_ISS_Calendar.pdf%3Fpage=4 Alongside their practical use, calendars have developed into a decorative item. Typically, each page will include a new image, which may be related to the season. Common subjects include landscapes, automobiles, wildlife, male or female models and popular culture. Businesses frequently give wall calendars branded with their names and contact information away for free to customers as promotional merchandise. An especially influential type of calendar is the nude calendar or pin-up calendar - a calendar containing images of either scantily-clad or naked models. Some are essentially pornographic in nature, but a more recent evolution is calendars featuring people in comic situations and published for charity. A popular subgenre of pin-up calendar is the firefighter calendar. == Gallery ==

There are many types of calendar, serving a wide variety of uses. File:Revolution kalendar.jpg|A Soviet day calendar, showing 12 December 1937 and reminding citizens that it is Election Day File:P. 13 a calendar of saint days.jpg|A late 15th century Welsh calendar of saints File:Sixday.jpg|A Soviet calendar, showing 22 October 1935, with a daily chess problem for entertainment File:1911 Ottoman Calendar.jpg|An Ottoman day calendar showing the same day in multiple formats and languages: Rumi, Julian, Gregorian, Islamic and Hebrew File:1889 sexy calendar.jpg|An early sexualized calendar File:Dodekaeder Kalender 3.JPG|A calendar printed on a dodecahedron File:If you don't give a darn about yourself do it for her..JPG|A propaganda calendar using pin-up style to urge measures against malaria File:1614 Prayerbook November Calendar.jpg|A prayer calendar from the Book of Common Prayer File:Adventskalender (Detail) . Stollberg. Erzgebirgskreis.IMG 0838WI.jpg|Detail of an Advent calendar with some doors opened File:Bảo Đại 19 calendar (1944) Bùi Quang Tuấn.png|A Vietnamese calendar issued for the year Bảo Đại 19 (1944) showing all the national holidays and observations of the Nguyễn dynasty. File:1896-12-maggio-lunedi-retro.jpg|The back side of a calendar sheet with a biography of a martyr of the day ==References==